ASEC vs JMBS

American Century Securitized Credit ETF against Janus Henderson Mortgage-Backed Securities ETF: cost, size, returns, what they hold and how much of it is the same.

Fee gap
8 bp
JMBS is cheaper
1-year return gap
—
Larger fund
JMBS
$6.3B

Side by side

ASECJMBS
FundAmerican Century Securitized Credit ETFJanus Henderson Mortgage-Backed Securities ETF
IssuerAmerican CenturyJanus Henderson
CategoryMortgage & SecuritizedMortgage & Securitized
Expense ratio0.29%0.21%
Assets$20M$6.3B
Average daily dollar volume$4K$42M
ListedMay 27, 2026Sep 12, 2018
FrenzyCap score1876
1-month return−1.1%−2.4%
3-month return−1.7%−4.7%
Year to date—−7.0%
1-year return—−6.8%
30-day volatility2.2%6.9%
Worst drawdown, 1 year−2.4%−9.1%
Trailing 12-month yield1.81%5.53%
Holdings49648
Top 10 weight63.5%57.1%
Look-through P/E——
Holdings vs fair value——
Holdings above 200-day average——
Net flow, latest 3 reported months+$20M thru May 2026+$225M thru Jul 2026
30-day implied volatility—32.0%
Holdings as ofas of May 31, 2026SEC filingas of Apr 30, 2026SEC filing

Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.

More: full overlap table · ASEC holdings · JMBS holdings

Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.